Jul 10, 2025 · The toUpperCase() method returns the value of the string converted to uppercase. This method does not affect the value of the string itself since JavaScript strings are immutable.

Description The toUpperCase() method converts a string to uppercase letters. The toUpperCase() method does not change the original string.

Jun 22, 2009 · There are characters with case-folding definitions in the SMP that are encoded with two UTF16 code units. While simple, this shouldn't be used. You don't even have to reach …

Sep 16, 2024 · JavaScript String toUpperCase () method converts the entire string to Upper case. This method does not affect any of the special characters, digits, and the alphabets that are …

You'll learn how to use the JavaScript toUpperCase () method to return a string with all the characters converted to uppercase.

Dec 6, 2020 · Converting just the first letter of a string to an equivalent uppercase value requires three steps: The first part of this is easy, simply use the index of the first character of the string …

This JavaScript tutorial explains how to use the string method called toUpperCase () with syntax and examples. In JavaScript, toUpperCase () is a string method that is used to convert a string …

In this comprehensive guide, we‘ll unpack everything from the history of .toUpperCase() to real-world applications, best practices, and even under-the-hood explanations of how it transforms …

Nov 7, 2024 · In this article, you will learn how to leverage the toUpperCase() method effectively in JavaScript. Explore its fundamental usage on strings, integrate its functionality within user …

Unfortunately in JavaScript, there isn't a capitalize or title case a string. So what we can is utilize toLowerCase() to make the entire string lower-cased and then uppercase the first letter. …